Changeset 9432 for branches/asyncio/src/client/usrint/pxfs.c

Timestamp:

08/03/12 18:26:42 (10 months ago)

Author:

sdsnyde

Message:

added truncate operation to aiocommon. pxfs updated with ftruncate(64)

Files:

• branches/asyncio/src/client/usrint/pxfs.c (modified) (1 diff)

branches/asyncio/src/client/usrint/pxfs.c

@@ -533 +533 @@
 */
 
-//extern int pxfs_ftruncate (int fd, off_t length, pxfs_cb cb, void *cdat);
-
-//extern int pxfs_ftruncate64 (int fd, off64_t length, pxfs_cb cb, void *cdat);
+/**
+ * pxfs_ftruncate
+ */
+extern int pxfs_ftruncate(int fd, off_t length, pxfs_cb cb, void *cdat)
+{
+    return pxfs_ftruncate64(fd, (off64_t)length, cb, cdat);
+}
+
+/**
+ * pxfs_ftruncate64
+ */
+extern int pxfs_ftruncate64(int fd, off64_t length, pxfs_cb cb, void *cdat)
+{
+    pvfs_descriptor *pd;
+    struct pvfs_aiocb *truncate_acb = NULL;
+
+    if (fd < 0)
+    {
+        errno = EBADF;
+        return -1;
+    }
+
+    pd = pvfs_find_descriptor(fd);
+    if (!pd)
+    {
+        errno = EBADF;
+        return -1;
+    }
+
+    truncate_acb = malloc(sizeof(struct pvfs_aiocb));
+    if (!truncate_acb)
+    {
+        errno = ENOMEM;
+        return -1;
+    }
+    memset(truncate_acb, 0, sizeof(struct pvfs_aiocb));
+
+    truncate_acb->hints = PVFS_HINT_NULL;
+    truncate_acb->op_code = PVFS_AIO_TRUNC_OP;
+    truncate_acb->u.trunc.pd = pd;
+    truncate_acb->u.trunc.length = length;
+    truncate_acb->call_back_fn = cb;
+    truncate_acb->call_back_dat = cdat;
+
+    aiocommon_submit_op(truncate_acb);
+
+    return 0;
+}
 
 /*